USB charger with fingerprint door lock

Keyless USB Charging Door Lock Fingerprint Smart Padlock Quick Unlock Zinc Alloy Metal Self-imaging Chip 10 Fingerprints

Frequently Asked Question

1. What should I do if the fingerprint cannot be identified?

Usually, fingerprint identification is unsuccessful due to wear, peeling, scratches, dirty or wet fingers, or due to smeared and water droplets on the fingerprint capture window. It is necessary to ensure that the fingers and fingerprint window are clean and dry. In case of scratches on the fingers, it is recommended to register at least 3 fingerprints after purchase.

2. How many fingerprints can be registered?

10 fingerprints can be registered.

3. What should I do if the battery is empty?

Connect the charging port with Micro USB, the red light is on to indicate that the battery is charging, and it can be unlocked normally while charging. The light is off, which means it is fully charged.

4. How long does it last after fully charged?

After fully charged, the device can work for 12 months, and when the power consumption is low, the red light will flash after unlocking.

5. Any fingerprint can be unlocked

If the fingerprint is not stored, any fingerprint can be used to unlock. If the fingerprints are stored, only the stored fingerprints can be used to unlock the lock. Therefore, under normal circumstances, you need to take more than two fingerprints to avoid the embarrassing situation that the fingers are scratched and cannot be unlocked.

6. Unlocking not possible when the battery is empty

If the fingerprint is not stored, any fingerprint can be unlocked. If the fingerprints are stored, only the stored fingerprints can be used to unlock the lock. Therefore, under normal circumstances, you need to take more than two fingerprints to avoid the embarrassing situation that the fingers are scratched and cannot be unlocked.